148532685739 has 2 divisors, whose sum is σ = 148532685740. Its totient is φ = 148532685738.

The previous prime is 148532685737. The next prime is 148532685767. The reversal of 148532685739 is 937586235841.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (937586235841) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 148532685739 - 2¹ = 148532685737 is a prime.

It is a super-2 number, since 2×148532685739² (a number of 23 digits) contains 22 as substring.

Together with 148532685737, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (148532685737) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 74266342869 + 74266342870.

It is an arithmetic number, because the mean of its divisors is an integer number (74266342870).

Almost surely, 2^148532685739 is an apocalyptic number.

148532685739 is a deficient number, since it is larger than the sum of its proper divisors (1).

148532685739 is an equidigital number, since it uses as much as digits as its factorization.

148532685739 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 43545600, while the sum is 61.

The spelling of 148532685739 in words is "one hundred forty-eight billion, five hundred thirty-two million, six hundred eighty-five thousand, seven hundred thirty-nine".